B41J 2/44 using single radiation source , e.g. lighting beams or shutter arrangements (B41J2/475 takes precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: using single radiation source, e.g. lighting beams or shutter arrangements
CPC: using single radiation source , e.g. lighting beams or shutter arrangements (B41J2/475 takes precedence)
Full Title
Full titles differ between systems:
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed > characterised by selective application of radiation to a printing material or impression-transfer material > using single radiation source, e.g. lighting beams or shutter arrangements
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by selective application of radiation to a printing material or impression-transfer material > using single radiation source , e.g. lighting beams or shutter arrangements (B41J2/475 takes precedence)
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class B41,2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681
Top Applicants (CPC)
Class B41,2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739